204879

Complement C1s, Human, Activated, Two-Chain Form

Complement C1s, Human, Activated, Two-Chain Form, CAS 80295-35-8, is a native, activated form. Activated C1s continues activation via classical pathway by cleaving, and thus activating, C2 and C4.

• Sinónimos: Complement C1s, Human, Activated, Two-Chain Form
• Número de CAS: 80295-35-8
• Código UNSPSC: 12352202
• NACRES: NA.25

Propiedades

• Nivel de calidad: 100
• Análisis: ≥95% (SDS-PAGE)
• formulario: liquid
• fabricante / nombre comercial: Calbiochem^®
• condiciones de almacenamiento: OK to freeze; avoid repeated freeze/thaw cycles
• Condiciones de envío: wet ice
• temp. de almacenamiento: −70°C

Descripción

Descripción general

Native, human, activated C1s complement component. Present in human serum at 31 µg/ml. Non-activated C1s is found in circulating blood plasma as a Ca²⁺-dependent dimer in association with one C1q molecule and two C1r molecules to form the first component of complement (C1). Ensuing C1q binding to classical pathway activators, each C1r protein is cleaved to form activated C1r enzyme. Dimeric C1r enzyme cleaves, and thus activates, each C1s molecule into two disulfide-linked fragments of M.W. 59,000 and 28,000. The 28,000 peptide contains the C1s enzymatic active site. Activated C1s continues activation via the classical pathway by cleaving, and thus activating, C2 and C4.

Native, human, activated C1s complement component. Present in human serum at 31 µg/ml. Nonactivated C1s is found in circulating blood plasma as a Ca²⁺-dependent dimer in association with one C1q molecule and two C1r molecules to form the first component of complement (C1). Ensuing C1q binding to classical complement pathway activators, each C1r protein is cleaved to form activated C1r enzyme. Dimeric C1r enzyme cleaves, and thus activates, each C1s molecule into two disulfide-linked fragments of M.W. 59 kDa and 28 kDa. The 28 kDa peptide contains the C1s enzymatic active site. Activated C1s continues activation via classical pathway by cleaving, and thus activating, C2 and C4.

Envase

Please refer to vial label for lot-specific concentration.

Advertencia

Toxicity: Standard Handling (A)

Forma física

In 130 mM NaCl, 50 mM sodium phosphate, pH 7.2.

Nota de preparación

Prepared from serum that has been shown by certified tests to be negative for HBsAg and for antibodies to HIV and HCV.

Reconstitución

Following initial thaw, aliquot and freeze (-70°C).

Otras notas

Cooper, N.R. 1985. Adv. Immunol. 37, 151.
Sim, R.B. 1981. Methods Enzymol. 80, 6.

Información legal

CALBIOCHEM is a registered trademark of Merck KGaA, Darmstadt, Germany

Cláusula de descargo de responsabilidad

RESEARCH USE ONLY. This product is regulated in France when intended to be used for scientific purposes, including for import and export activities (Article L 1211-1 paragraph 2 of the Public Health Code). The purchaser (i.e. enduser) is required to obtain an import authorization from the France Ministry of Research referred in the Article L1245-5-1 II. of Public Health Code. By ordering this product, you are confirming that you have obtained the proper import authorization.

Información de seguridad

• Código de clase de almacenamiento: 10 - Combustible liquids
• Clase de riesgo para el agua (WGK): WGK 2
• Punto de inflamabilidad (°F): Not applicable
• Punto de inflamabilidad (°C): Not applicable